HP-41 card reader "memory lost"


No don't be discourage, i don't need to repair my 41 card reader ;-). Just a question.

Is is normal that if i put a brand new card in my reader and try to read this blank card that i get MEMORY LOST everytime i mistake a card for a empty one?



No. You should never get MEMORY LOST errors


possible cause are worn or dirty battery contacts. try this: open the battery compartment, remove the batteries and clean the battery contacts in the calculator with a cotton swab dipped in pure alcohol (isopropanol for example. DO NOT use anythind else than alcohol). take another swab to dry them. also, clean the contacts of the batteries themselves.


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